to speak; to say; a theory (usually in compounds such as 日心说 heliocentric theory)[cedict]
他
tāㄊㄚ
he; him[cedict]
不
bùㄅㄨˋ
(negative prefix); not; no[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
飛機
fēi jīㄈㄟ ㄐㄧ
airplane[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]